.refer_content{
  padding-top: 2.7rem;
  position: relative;
}
.qr_img_base{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.qr_img_base p{
  color: #E60012;
  font-size: 1.1rem;
  font-weight: bold;
}
